EP0198749B1 - Haushaltsgerät zum Spenden eines wasseraufsaugenden Pulvers - Google Patents

Haushaltsgerät zum Spenden eines wasseraufsaugenden Pulvers Download PDF

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Publication number
EP0198749B1
EP0198749B1 EP86400647A EP86400647A EP0198749B1 EP 0198749 B1 EP0198749 B1 EP 0198749B1 EP 86400647 A EP86400647 A EP 86400647A EP 86400647 A EP86400647 A EP 86400647A EP 0198749 B1 EP0198749 B1 EP 0198749B1
Authority
EP
European Patent Office
Prior art keywords
powder
chamber
air
aperture
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP86400647A
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English (en)
French (fr)
Other versions
EP0198749A1 (de
Inventor
Joanny Daloz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEB SA
Original Assignee
SEB SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SEB SA filed Critical SEB SA
Publication of EP0198749A1 publication Critical patent/EP0198749A1/de
Application granted granted Critical
Publication of EP0198749B1 publication Critical patent/EP0198749B1/de
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/40—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea
    • A47J31/404—Powder dosing devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/40—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea
    • A47J31/401—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea whereby the powder ingredients and the water are delivered to a mixing bowl

Definitions

  • the present invention relates to a household appliance using a hydrophilic powder, comprising a metering chamber for this powder and means for transferring this powder to a container.
  • the invention relates more particularly to a household appliance for preparing hot or cold drinks based on soluble powder such as coffee, powdered milk chocolate, etc.
  • Apparatuses are known intended, not for household use, but for public use and which are generally stationary, which make it possible to prepare drinks, by means of the introduction of coins into these apparatuses. Such devices are described for example in French patents 2 323 361 and 2 365 995.
  • the powder is transferred from a powder reserve to a metering chamber thereof, by gravity.
  • the transfer of the powder from the metering chamber to a chamber for mixing this powder with water, milk or other liquid is carried out by gravity.
  • the vapor of the liquid which is formed during the heating thereof tends to rise towards the powder metering chamber and towards the powder reserve, which causes agglomeration thereof and seriously disrupts the operation of the device.
  • a device for public use using a hydrophilic powder such as coffee, cocoa, sugar, etc. comprising a metering chamber for this powder and means for transferring this powder to a mixing container according to which a momentary stream of air is formed having a flow and pressure sufficient to propel the powder from the metering chamber to the container in which this powder is mixed with a liquid such as hot water.
  • the steam of hot water risks entering the conduits for conveying the hydrophilic powder to the mixing container, agglomerating this powder and thus clogging the aforementioned conduits.
  • the object of the present invention is to create a household appliance using a hydrophilic powder which is compact and of simple construction, while avoiding any risk of agglomeration of the hydrophilic powder by the vapor formed in this appliance.
  • the household appliance using a hydrophilic powder comprising a metering chamber for this powder and means for transferring this powder to a mixing container in which this powder is mixed with a liquid
  • these means comprising means for forming a momentary air stream having a sufficient flow and pressure to propel the powder from the dosing chamber to the mixing container
  • it comprises a turbine driven by a motor to create a stream of air between the base of the metering chamber and an opening which opens into a channel connecting this metering chamber and the mixing container
  • the base of the metering chamber comprising means for preventing the passage of the powder while being permeable to the current of air and in that the aforementioned channel opens into the mixing chamber by a valve permeable to the air flow and to the powder coming from the metering chamber, but impermeable in the s ens inverse.
  • the air stream generated by the turbine blows the powder contained in the metering chamber towards the mixing chamber.
  • This current of air keeps the powder in the pulverulent state, avoiding any risk of agglomeration of the latter or of adhesion of this powder to the walls of the metering chamber and of the channel which connects the latter to the mixed. This risk is eliminated because the valve through which the channel opens into the mixing chamber prevents any penetration of liquid into this channel.
  • the apparatus according to the invention intended for preparing a hot drink, from a soluble powder such as coffee comprises a hopper 1 containing the soluble powder and closed by a cover 2, this hopper having at its lower part an opening 3 which opens into a cylindrical metering chamber 4 whose axis is vertical.
  • the lower part of the cylinder constituting the metering chamber 4 has a lateral opening 5 which communicates with a compartment 6 in which is mounted in rotation a turbine 7 whose vertical axis 8 is driven by an electric motor 9. This turbine 7 draws the outside air through duct 6a.
  • a piston 10 In the cylindrical metering chamber 4 is slidably mounted a piston 10, the head of which carries an annular seal 11.
  • This piston 10 has a lateral recess 12 which extends along practically its entire height, which allows the opening 5 to communicate with the interior of the piston 10 in all its positions inside the metering chamber 4.
  • the movement of the piston 10 is controlled by a lever 13 accessible to the user, which allows the latter to adjust the interior volume of the metering chamber 4.
  • the head of the piston 10 forms the base of the metering chamber 4, the position of which determines the volume of the powder which is introduced into this chamber.
  • the head of the piston 10 carries a valve 14, constituted by a disc of elastic material resting elastically on an opening formed in this head and fixed to the latter by a flexible articulation, which allows the valve 14 to be lifted under the effect of '' a pressure exerted inside the piston (see figure 2).
  • This valve 14 prevents the passage of the powder towards the interior of the piston 10, while allowing the passage of the air current which is blown by the turbine 7 inside the piston 10.
  • a lateral opening 15 which communicates with a substantially horizontal channel 16. This channel 16 opens into a mixing chamber which will be described later.
  • the opening 3 is closable by means of a sliding register 18 which can be actuated by the user.
  • the lower part of the hollow piston 10 is made airtight relative to the air inlet opening 5, by means of a disc 17 which follows the inner contour of the piston 10.
  • This disc 17 is fixed to the compartment 6 containing the turbine 7, under the air inlet opening 5.
  • the assembly shown in Figure 1 is mounted inside an outer housing 18a.
  • valve 21 (see FIG. 6) which is permeable to the current of air and to the powder propelled by the latter from the metering chamber 4. This valve 21 is however impermeable in the opposite direction.
  • the mixing chamber 20 comprises a blade 22 rotatably mounted on a vertical axis 23. This blade 22 is rotated by the motor 9 which drives the turbine 7 by means of a belt coupling 24 wound on pulleys 25, 26 .
  • the mixing chamber 20 comprises on its side wall, opposite the valve 21, small openings 27 for the evacuation of the air. Opposite these, two baffles 28, 29 are provided, shaped to prevent the powder and the liquid which are introduced into the chamber 20 from being driven out through these openings 27.
  • the bottom 30 of the mixing chamber 20 is conical and presents around the axis 23 of the blade 22 a series of holes 31 allowing the outlet of the prepared drink in the chamber 20. Under these holes 31 is placed a receptacle 32 for collecting the drink, which is placed on a base 33 which is part of the housing 18a. It can also be seen in FIG. 5, that the lower edge 22a of the rotary blade 22 is flush with the conical bottom 30 of the chamber 20. This blade 22, by rotating, creates a depression inside the chamber 20 which prevents the drink to flow through the holes 31.
  • a liquid reservoir 34 Above the mixing chamber 20 and next to the hopper 1 is placed a liquid reservoir 34, the bottom of which communicates with the interior of the chamber 20 by a valve 35. Near this bottom, there is a resistance heating 36.
  • the opening of the valve 35 is controlled by a bi-metallic element 37 or the like which is adjusted so that the valve 35 opens when the temperature of the liquid contained in the reservoir 34 reaches the desired value which is for example equal to 85-90 ° C in the case of coffee.
  • the register 18 which controls the opening and closing of the opening 3 is secured to a rod 38 which can be actuated manually by the user.
  • This rod 38 includes a stop 39 which can bear on the control button 40 of a temperature limiter 41, which has the effect of resetting the latter when the user puts the register 18 in the open position.
  • This temperature limiter 41 is placed in contact with the heating tank 34 (see FIG. 5).
  • the temperature limiter 41 comprises two electrical circuits A and B (see FIG. 7) reacting to different temperatures.
  • the movable armature 41a which is associated with the heating resistor 36 closes the circuit A, so that the resistor 36 is energized.
  • the movable frame 41b which is associated with the electric motor 9 is on the other hand in position opening, so that this motor is not supplied with current.
  • the movable armature 41 b of the electric circuit B goes into the closed position, thus controlling the power supply to motor 9.
  • the electrical resistance 36 continues to heat until the temperature of the liquid reaches a temperature equal, for example, to 95 ° C. At this moment, the movable armature 41a of the circuit A switches over and cuts off the electrical supply to the heating resistor 36 and to the motor 9.
  • the register 18 is opened and then closed, causing the limiter 41 to arm in its open position.
  • the resistor 36 begins to heat the water contained in the reservoir 34 and the coffee powder completely fills the metering chamber 4, that is to say the volume of the chamber 4 between the register 18 and the valve 14.
  • the motor 9 starts up causing on the one hand the rotation of the mixing blade '22 and creating on the other hand by rotation of the turbine 7 an air current which penetrates to the inside the piston and lifts the valve 14 of the latter.
  • This current of air drives the coffee powder contained in the metering chamber 4 towards the channel 16 and the mixing chamber 20 by pushing the valve 21 in passing.
  • the deformable blade 37 lifts the valve 35, which causes the passage of the hot water contained in the. reservoir 34 in the mixing chamber 20.
  • the motor 9 stops, as does the heating of the water.
  • the blade 22 being immobilized, the drink can then flow into the container 32.
  • the valve 21 closes as well. the valve 14. No water vapor can then rise to the hopper 1, to the metering chamber 4 and to the communication channel 16, so that any risk of water condensation likely to cause agglomeration of the powder is avoided.
  • the invention can be applied to any household appliance using a hydrophilic powder which must be transferred between a metering chamber and a container in which there is a risk of clogging by powder in the presence of condensed water or steam.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Beverage Vending Machines With Cups, And Gas Or Electricity Vending Machines (AREA)

Claims (9)

1. Haushaltsgerät für die Anwendung eines hydrophilen Pulvers, mit einer Dosierkammer (4) für dieses Pulver und Mitteln zum Überführen dieses Pulvers zu einem Mischbehälter (20), worin dieses Pulver mit einer Flüssigkeit vermischt wird, wobei diese Mittel Einrichtungen (7) aufweisen zur Bildung eines vorübergehenden Luftstromes mit ausreichendem Durchsatz und Druck, um das Pulver von der Dosierkammer (4) zu dem Mischbehälter (20) auszutreiben, dadurch gekennzeichnet, daß das Gerät eine von einem Motor (9) angetriebene Turbine umfaßt, um einen Luftstrom zwischen der Basis der Dosierkammer (4) und einer Öffnung (15) zu bilden, welche in einen Kanal (16) ausmündet, der diese Dosierkammer mit dem Mischbehälter (20) verbindet, wobei die Basis der Dosierkammer Mittel (14) zum Verhindern des Durchgangs des Pulvers umfaßt, aber für den Luftstrom durchlässig ist, und daß der Kanal (16) in die Mischkammer (20) ausmündet durch eine Klappe (21), welche für den Luftstrom und für das aus der Dosierkammer (4) kommende Pulver durchlässig ist, aber in umgekehrter Richtung undurchlässig ist.
2. Gerät nach Anspruch 1, wobei die Dosierkammer (4) im wesentlichen zylindrisch ist und eine im wesentlichen senkrechte Achse aufweist und wobei ein Kolben (10) im Inneren dieser Kammer verschiebbar montiert ist, so daß er das Volumen dieser verändern kann, dadurch gekennzeichnet, daß der Kolbenboden (10) die Basis der Dosierkammer (4) bildet und eine Klappe (14) trägt, die für den Durchgang des Luftstromes durchlässig und für das Pulver undurchlässig ist.
3. Gerät nach Anspruch 2, dadurch gekennzeichnet, daß die Dosierkammer (4) auf ihrem unteren Teil eine Lufteintrittsöffnung (5) aufweist, die mit dem Luftaustritt der Turbine (7) verbunden ist.
4. Gerät nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, daß der in dieser Kammer montierte Kolben (10) hohl ist und den freien Durchgang der Luft des Turbinenaustrittes zur Dosierkammer ermöglicht.
5. Gerät nach dem Anspruch 4,'dadurch gekennzeichnet, daß der Kolben eine seitliche Aushöhlung (12) aufweist, welche mit der Lufteintrittsöffnung (5) verbunden ist, wobei Mittel (17) vorgesehen sind, um den unteren Kolbenteil (10) gegenüber der Lufteintrittsöffnung (5) dicht zu machen.
6. Gerät nach Anspruch 5, dadurch gekennzeichnet, daß diese Mittel eine sich an den Innenumfang des Kolbens (10) anschmiegende Scheibe (17) umfassen, wobei diese Scheibe an dem Behälter (6) der Turbine unter der Lufteintrittsöffnung (5) befestigt ist.
7. Gerät nach einem der Ansprüche 1 bis 6, wobei die Mischkammer (20) eine seitliche Öffnung (27) für das Ausströmen der Luft umfaßt, dadurch gekennzeichnet, daß die Öffnung (27) gegenüber der Klappe (21) angeordnet ist, wobei eine oder mehrere Schikanen (28, 29) gegenüber dieser Öffnung (27) vorgesehen sind, um den Durchgang des Pulvers und der Flüssigkeit, die in diese Kammer eingegeben werden, zu verhindern.
8. Gerät nach Anspruch 7, dadurch gekennzeichnet, daß der Boden (30) der Mischkammer (20) wenigstens ein Austrittsloch (31) für die Mischung Flüssigkeit-Pulver aufweist und daß eine in dieser Kammer drehbar montierte Drehschaufel (22) einen unteren Rand aufweist, der mit dem Boden (30) der Kammer bündig liegt.
9. Gerät nach einem der Ansprüche 1 bis 8, wobei ein Trichter (1) für die Pulverversorgung der Dosierkammer (4) über dieser angeordnet ist und in diese Kammer über eine Öffnung (3) ausmündet, welche durch ein dem Benutzer zugängliches Verschlußelement (18) verschließbar ist, wobei diese Öffnung (3) genau über der mit dem Überführungskanal (16) des Pulvers verbundenen Öffnung (15) angeordnet ist, dadurch gekennzeichnet, daß das Verschlußelement (18) der Verbindung zwischen dem Trichter (1) und der Dosierkammer (4) Mittel aufweist, welche geeignet sind, wenn das Verschlußelement geöffnet wird, einen Temperaturbegrenzer (41) zu betätigen, welcher die Inbetriebsetzung der Widerstandsheizung (36) steuert, wobei Mittel ferner vorgesehen sind, um die Inbetriebsetzung des Antriebsmotors der Turbine (7) und der Drehschaufel (22) zu steuern, wenn die Temperatur der in dem Vorratsbehälter (34) enthaltenen Flüssigkeit einen vorbestimmten Wert erreicht.
EP86400647A 1985-04-03 1986-03-26 Haushaltsgerät zum Spenden eines wasseraufsaugenden Pulvers Expired EP0198749B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8505084 1985-04-03
FR8505084A FR2579881B1 (de) 1985-04-03 1985-04-03

Publications (2)

Publication Number Publication Date
EP0198749A1 EP0198749A1 (de) 1986-10-22
EP0198749B1 true EP0198749B1 (de) 1988-05-25

Family

ID=9317916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86400647A Expired EP0198749B1 (de) 1985-04-03 1986-03-26 Haushaltsgerät zum Spenden eines wasseraufsaugenden Pulvers

Country Status (5)

Country Link
US (1) US4694740A (de)
EP (1) EP0198749B1 (de)
DE (2) DE3660214D1 (de)
ES (1) ES8703265A1 (de)
FR (1) FR2579881B1 (de)

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KR100404601B1 (ko) * 2001-05-07 2003-11-05 한규생 자동 급유장치
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NL1020837C2 (nl) * 2002-06-12 2003-12-15 Sara Lee De Nv Inrichting en werkwijze voor het bereiden van koffie met een fijnbellige schuimlaag, in het bijzonder cappuccino.
NL1020833C2 (nl) * 2002-06-12 2003-12-15 Sara Lee De Nv Inrichting voor het bereiden van een voor consumptie geschikte drank met een fijnbellige schuimlaag.
DK1398279T3 (da) 2002-08-23 2005-09-19 Sara Lee De Nv Stift hylster for tilberedning af en drik til indtagelse
US7464835B2 (en) * 2002-12-19 2008-12-16 Braun Gmbh Preparing and dispensing mixed beverages
US6711990B1 (en) * 2003-05-27 2004-03-30 Conrad W. Harrison Baby formula preparation and multiple dispensing apparatus
US7846399B2 (en) * 2004-03-23 2010-12-07 W.R. Grace & Co.-Conn. System and process for injecting catalyst and/or additives into a fluidized catalytic cracking unit
US6951166B1 (en) * 2004-06-04 2005-10-04 Sickels Gary C Unit for preparing baby formula
NL1026834C2 (nl) * 2004-08-12 2006-02-14 Sara Lee De Nv Bereiden van thee met behulp van een theepad en een koffiezetapparaat.
NL1032292C2 (nl) * 2004-08-12 2007-05-30 Sara Lee De Nv Pad met omhulling gevuld met te extraheren product; samenstel voorzien van een dergelijke pad en houder; drankbereidingsinrichting voor het bereiden van een drank.
NL1032293C2 (nl) * 2004-08-12 2007-08-16 Sara Lee De Nv Werkwijze voor het verschaffen van een drank voorzien van een fijnbellige schuimlaag of een drank althans nagenoeg zonder de fijnbellige schuimlaag, pad met omhulling gevuld met te extraheren en/of op te lossen product; samenstel voorzien van een dergelijke pad en een houder; drankbereidingsinrichting voor het bereiden van een drank.
US20060157463A1 (en) * 2005-01-14 2006-07-20 Wiele Melissa A Food preparation device
NL1028134C2 (nl) * 2005-01-27 2006-07-31 Sara Lee De Nv Werkwijze voor het bereiden van een voor consumptie geschikte drank uit ten minste twee op te lossen en/of te extraheren ingredienten en een hoeveelheid vloeistof.
NL1028460C2 (nl) * 2005-03-04 2006-09-06 Sara Lee De Nv Inrichting voor het bereiden en afgeven van al dan niet althans gedeeltelijk opgeschuimde dranken.
NL1029503C2 (nl) * 2005-07-12 2007-01-15 Sara Lee De Nv Systeem en werkwijze voor het bereiden van een voor consumptie geschikte drank, alsmede een gebruik van een dergelijk systeem, een opvangkamer en een houder.
NL1030126C1 (nl) * 2005-10-06 2007-04-10 Marinus Barbara Arnoldus Stas Stelsel omvattende een vulinrichting en een pouch, alsmede een vulinrichting en een pouch.
US20080148956A1 (en) * 2006-12-20 2008-06-26 Maurer Scott D Coffee maker
JP2009093348A (ja) * 2007-10-05 2009-04-30 Hitachi Ltd 情報処理装置、及び情報処理システム
US8850960B2 (en) * 2008-01-29 2014-10-07 Koninklijke Douwe Egberts B.V. System, method and capsule for preparing a beverage
US8167006B1 (en) * 2010-04-29 2012-05-01 Jason Mathis Automated baby formula dispenser
ES2708394T3 (es) 2011-10-18 2019-04-09 Grace W R & Co Sistema y método para la inyección de catalizadores y/o aditivos en una unidad de craqueo catalítico fluidizado
US8910672B2 (en) * 2012-07-09 2014-12-16 Henry El Cheikh Powdered drink mix dispensing assembly
JP2017522161A (ja) * 2014-07-14 2017-08-10 マルコ パスクワーレ ガンボーニＭａｒｃｏ Ｐａｓｑｕａｌｅ ＧＡＭＢＯＮＩ 即席調理機器
CN105832211A (zh) * 2016-05-15 2016-08-10 刘昌亚 定量调料机

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Also Published As

Publication number Publication date
FR2579881A1 (de) 1986-10-10
DE3660214D1 (en) 1988-06-30
US4694740A (en) 1987-09-22
FR2579881B1 (de) 1988-07-15
ES553643A0 (es) 1987-02-16
DE198749T1 (de) 1987-02-05
ES8703265A1 (es) 1987-02-16
EP0198749A1 (de) 1986-10-22

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